261668550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1159

約数の個数: 144

約数和(自身を含む): 768857040

約数和(自身を除く): 507188490

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 25, 26, 30, 33, 39, 50, 55, 65, 66, 75, 78, 110, 121, 130, 143, 150, 165, 195, 242, 275, 286, 325, 330, 363, 390, 429, 550, 605, 650, 715, 726, 825, 858, 975, 1109, 1210, 1430, 1573, 1650, 1815, 1950, 2145, 2218, 3025, 3146, 3327, 3575, 3630, 4290, 4719, 5545, 6050, 6654, 7150, 7865, 9075, 9438, 10725, 11090, 12199, 14417, 15730, 16635, 18150, 21450, 23595, 24398, 27725, 28834, 33270, 36597, 39325, 43251, 47190, 55450, 60995, 72085, 73194, 78650, 83175, 86502, 117975, 121990, 134189, 144170, 158587, 166350, 182985, 216255, 235950, 268378, 304975, 317174, 360425, 365970, 402567, 432510, 475761, 609950, 670945, 720850, 792935, 805134, 914925, 951522, 1081275, 1341890, 1585870, 1744457, 1829850, 2012835, 2162550, 2378805, 3354725, 3488914, 3964675, 4025670, 4757610, 5233371, 6709450, 7929350, 8722285, 10064175, 10466742, 11894025, 17444570, 20128350, 23788050, 26166855, 43611425, 52333710, 87222850, 130834275, 261668550]

約数ペア:

[(1, 261668550), (2, 130834275), (3, 87222850), (5, 52333710), (6, 43611425), (10, 26166855), (11, 23788050), (13, 20128350), (15, 17444570), (22, 11894025), (25, 10466742), (26, 10064175), (30, 8722285), (33, 7929350), (39, 6709450), (50, 5233371), (55, 4757610), (65, 4025670), (66, 3964675), (75, 3488914), (78, 3354725), (110, 2378805), (121, 2162550), (130, 2012835), (143, 1829850), (150, 1744457), (165, 1585870), (195, 1341890), (242, 1081275), (275, 951522), (286, 914925), (325, 805134), (330, 792935), (363, 720850), (390, 670945), (429, 609950), (550, 475761), (605, 432510), (650, 402567), (715, 365970), (726, 360425), (825, 317174), (858, 304975), (975, 268378), (1109, 235950), (1210, 216255), (1430, 182985), (1573, 166350), (1650, 158587), (1815, 144170), (1950, 134189), (2145, 121990), (2218, 117975), (3025, 86502), (3146, 83175), (3327, 78650), (3575, 73194), (3630, 72085), (4290, 60995), (4719, 55450), (5545, 47190), (6050, 43251), (6654, 39325), (7150, 36597), (7865, 33270), (9075, 28834), (9438, 27725), (10725, 24398), (11090, 23595), (12199, 21450), (14417, 18150), (15730, 16635)]